etm (version 1.1.2)

prepare.los.data: Prepare the data for clos

Description

Prepare data to be passed to clos() in package etm.

Usage

prepare.los.data(x)

Value

a data.frame of the form data.frame(id, from, to, time, oid):

id:

id (patient id, admision id)

from:

the state from where a transition occurs

to:

the state to which a transition occurs

time:

time of the transition

oid:

the observation id

Arguments

x

data.frame of the form data.frame(id, j.01, j.02, j.03, j.12, j.13, cens):

id:

id (patient id, admision id)

j.01:

observed time for jump from 0 to 1

j.02:

observed time for jump from 0 to 2

j.03:

observed time for jump from 0 to 3

j.12:

observed time for jump from 1 to 2

j.13:

observed time for jump from 1 to 3

cens:

censoring time (either in initial or intermediate state)

Author

Matthias Wangler

See Also

clos

Examples

data(los.data)
my.observ <- prepare.los.data(x=los.data)